CVE-2026-44302

CVE-2026-44302 affects Snappier, a C# implementation of Snappy. The vulnerability lies in SnappyStream decompression: when processing malformed framed-format input (as small as 15 bytes), SnappyStream enters an uncatchable infinite loop inside SnappyStreamDecompressor.Decompress, causing a busy-w...

GHSA-PGGP-6C3X-2XMX Snappier has an infinite loop during SnappyStream decompression with malformed framed input

Summary Snappier.SnappyStream enters an uncatchable infinite loop when decompressing a malformed framed-format Snappy stream as small as 15 bytes. Details The hang manifests as a userspace busy loop with SnappyStreamDecompressor.Decompress repeatedly calling Crc32CAlgorithm.Append. The exact...